{"id":"CVE-2026-57207","summary":"NetBox MCP Server: HTTP transport exposes all NetBox data without authentication","details":"NetBox MCP Server is a simple read-only Model Context Protocol server for NetBox. Prior to version 1.2.1, when running with TRANSPORT=http, the MCP server has no authentication on the HTTP endpoint. Any client that can reach the port gets a valid MCP session and full access to all four NetBox tools - no token or credential needed. This issue has been patched in version 1.2.1.","aliases":["GHSA-5qg7-j8mr-9477"],"modified":"2026-11-01T02:30:42.454979781Z","published":"2026-10-23T13:40:31.164Z","database_specific":{"cwe_ids":["CWE-1059","CWE-306"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57207.json","cna_assigner":"GitHub_M"},"references":[{"type":"WEB","url":"https://github.com/netboxlabs/netbox-mcp-server/releases/tag/v1.2.1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57207.json"},{"type":"ADVISORY","url":"https://github.com/netboxlabs/netbox-mcp-server/security/advisories/GHSA-5qg7-j8mr-9477"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57207"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/netboxlabs/netbox-mcp-server","events":[{"introduced":"0"},{"fixed":"8d02e9a4fe0dcaba9aab167b88504c842702b522"}],"database_specific":{"extracted_events":[{"source":"AFFECTED_FIELD","strategy":"StringRangeExpression","range":[{"introduced":"0"},{"fixed":"1.2.1"}]},{"source":"REFERENCES_TAG","original_tag":"v1.2.1","range":[{"fixed":"8d02e9a4fe0dcaba9aab167b88504c842702b522"}]},{"source":"DESCRIPTION","range":[{"introduced":"0"},{"fixed":"1.2.1"}]}]}}],"versions":["v1.2.0","v1.1.0","v1.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-57207.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}